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<title>表格</title>
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<table align="center" border="1" height="500" width="800"cellspacing="0">
    <caption>课程表</caption>
    <tr align="center" bgcolor="#996666">
        <td height="50">时间/日期</td> 
        <td>星期一</td>
        <td>星期二</td>
        <td>星期三</td> 
        <td>星期四</td>
        <td>星期五</td>
    </tr>
    <tr align="center">
        <td rowspan="2" height="50">上午</td> 
        <td>语</td>
        <td>数</td>
        <td>外</td> 
        <td>语</td>
        <td>数</td>
    </tr>
    <tr align="center">
        <td >语</td>
        <td>数</td>
        <td>外</td> 
        <td>语</td>
        <td>数</td>
    </tr>
     <tr>
     <th colspan="6" height="50">
    </tr>
    <tr align="center">
        <td rowspan="2" height="50">下午</td> 
        <td>美</td>
        <td>音</td>
        <td>体</td> 
        <td>语</td>
        <td>数</td>
    </tr> 
    <tr align="center">

        <td>音</td>
        <td>语</td>
        <td>美</td> 
        <td>外</td>
        <td>数</td>
    </tr>
</table>
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